A stainless steel helical fixing that is used to secure and sandwich a layer of insulation over the structural roofing timbers in energy efficient buildings. Simply hammer in through timber cross battens and insulation.
 
- Easy and fast hammer-in installation with no pre-drilling.
- Unlike a nail it rotates as it is driven in reducing the risk of splitting or bouncing timbers.
- Does not compress insulation or impair thermal performance.
- Unique one-piece stainless steel fixing.
- Excellent holding performance in tension and compression.
- Supports heavy sliding loads in all wind conditions.
- 304 Stainless steel.
- Headless for minimal cold bridging and heat transfer.